1. A six-string instrument. The strings are commonly made of nylon or metal. It consists of a body, a neck, and a headstock. The strings are depressed behind frets to produce pitch. Sound is commonly amplified with either a soundhole in a hollow-body or a pickup and electronic amplifier. It uses the standard 12-tone equal-tempered musical system. It covers approximately five octaves and is commonly tuned in fourths, except for between the 2nd and 3rd strings, which are tuned in a third. Commonly used as both a backing and a lead instrument in almost every style of modern music.

2. An istrument, which many pick up, but rarely learn to play properly. Most people who play guitar do not know musical theory, which is needed to properly harmonize chords and melodies and create diverse musical patterns, which is needed to produce music that is pleasing to the ear.
Tommy played a chord progression on his guitar for an audience of his friends.
by Tyler February 26, 2003
Get the Guitar mug.
girls love a guy on guitar. girls love a girl on guitar.
by chkonchkforreal April 24, 2003
Get the guitar mug.
a precision tool with which the skillful ones can make the music this city is built on.
by J. Michael Reiter January 3, 2005
Get the Guitar mug.
1. A wonderful invention that can be used for extreme evil or awesome awesomeness. Wielders often kill people who try to touch their guitars without permission; this is commonly referred to as guitar rage, and it is advised that you don't try it.

2. Can stand for the phrase "at playing" *

3. Guitar Hero 3 ^

4. Also referred to as an ax because of it's power.

*see example 1 & 3
^see example 4
1. Your guitar is trashy. (could be def 1 or 2)

2. Can I play your guitar? (advised way to play a guitar that is not yours)

3. You suck at guitar! (don't say unless they really do)

4. You want to go play some guitar after school?
by raesiclesfornoone'sface January 12, 2008
Get the guitar mug.
A fantastic invention that can be used for both picking up chicks and pissing off neighbors. Generally involves 6-42 strings, 2-3 pickups, and lots of noise.
Bobby's neighbor called the police because his guitar amplifier was rattling windowpanes.
by wacko2 March 17, 2011
Get the Guitar mug.
The guitar is a personality coming out of six strings.
Nufff said dont you think so?
by lordblazer January 31, 2005
Get the guitar mug.